Doctor profile · Federal record

Dr. Karen Riedy, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Body Imaging Physician · Neuroradiology Physician · Nuclear Radiology Physician · Pediatric Radiology Physician · Diagnostic Radiology Physician · Vascular & Interventional Radiology Physician · Diagnostic Ultrasound Physician · Fairfax, VA

  • NPI 1346268372
  • Accepts Medicare
  • MIPS 46.8 / 100 · 2023
  • 41 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2722 Merrilee Dr, #230
Fairfax, VA 220314400
(703) 698-4483
fax (703) 573-0880
Mailing address
Po Box 3650
Merrifield, VA 221163650

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
January 27, 2020
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Virginia #0101047052 · Maryland #D0088209

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346268372. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,748
Distinct HCPCS
10
Medicare allowed
$55,212
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 1,200 1,058 $9
76770 Complete ultrasound scan behind abdominal cavity 262 259 $37
71046 X-ray of chest, 2 views 206 200 $11
74018 X-ray of abdomen, 1 view 200 185 $9
93970 Ultrasound study of arm or leg veins with compression and maneuvers 194 192 $35
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 176 173 $23
76705 Limited ultrasound scan of abdomen 117 117 $30
76536 Ultrasound scan of head and neck soft tissue 73 73 $29
76700 Complete ultrasound scan of abdomen 68 68 $41
76856 Complete ultrasound scan of pelvis 43 40 $35

In context: peer comparison

Among 46 peers in this city , average services per provider: 320. This provider delivers 8.6× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Riedy's medical specialty?
Dr. Karen Riedy practices Diagnostic Radiology Physician in Fairfax, VA.
Where does Dr. Karen Riedy practice?
Dr. Karen Riedy practices at 2722 Merrilee Dr, Fairfax, VA 220314400. Office phone: 7036984483.
What is Dr. Karen Riedy's NPI?
Dr. Karen Riedy's National Provider Identifier (NPI) is 1346268372, issued by NPPES.
Does Dr. Karen Riedy accept Medicare assignment?
Yes. Dr. Karen Riedy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Riedy commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Complete ultrasound scan behind abdominal cavity (HCPCS 76770); X-ray of chest, 2 views (HCPCS 71046). Source: CMS Medicare Physician & Other Practitioners file.